Internal costs are easy to see and explain. They are costs that a business bases its price on. They include costs like materials, energy, labour, plant, equipment and overheads. External costs are costs that are NOT included in what the business bases its price on.
They can make food, help keep the environment clean, and make medicines.
The best conclusion to this that I see is that in this situation the plants being spoken to and hand watered every day grew better.
My Conclusion: Plants that are given more attention, and loved to grow faster and better than plants that are not.
Answer:
A simple microscope
Explanation:
Because it only has a single lens
The size and position of their centres are the same for homologous Chromosomes
